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Question
A primary key should be null.Answer
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If an input from a source appears on a level-0 diagram, it must:
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Which of the following is a true statement regarding data flows?
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Which of the following is true regarding the context diagram?
A) The process symbol is labeled "0."
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A square on a data-flow diagram represents a sink or a:
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The shape of a data-flow (DFD) diagramming process is a(n):
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A supplier of auto parts to your company would be represented on a data-flow diagram as a:
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